2318213447 has 8 divisors (see below), whose sum is σ = 2638915200. Its totient is φ = 2015837560.

The previous prime is 2318213437. The next prime is 2318213459. The reversal of 2318213447 is 7443128132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2318213447 - 2²⁸ = 2049777991 is a prime.

It is a super-2 number, since 2×2318213447² = 10748227171703243618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2318213407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4581197 + ... + 4581702.

It is an arithmetic number, because the mean of its divisors is an integer number (329864400).

Almost surely, 2^2318213447 is an apocalyptic number.

2318213447 is a deficient number, since it is larger than the sum of its proper divisors (320701753).

2318213447 is a wasteful number, since it uses less digits than its factorization.

2318213447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9162933.

The product of its digits is 32256, while the sum is 35.

The square root of 2318213447 is about 48147.8290995555. The cubic root of 2318213447 is about 1323.4812924693.

The spelling of 2318213447 in words is "two billion, three hundred eighteen million, two hundred thirteen thousand, four hundred forty-seven".